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QS-650清筛机是我国目前铁路线路维修与保养中使用最多的清筛设备。针对此清筛机挖掘链驱动液压系统挖掘力不足和稳定性不够好的情况,对挖掘链液压驱动系统做了改进。将开式的液压系统改为闭式的静液压系统,提高天窗作业的效率和挖掘的高效性,降低故障发生率,提高清筛机作业效率,延长其使用寿命,降低铁路线路维护的风险,同时为挖掘链液压驱动系统的全面改进提供基础研究。
QS-650 cleaning machine is the most widely used cleaning equipment in China’s current railway line maintenance and repair. Aiming at the situation that the digging chain drive hydraulic system has insufficient digging force and the stability is not good enough, the hydraulic drive system of the digging chain is improved. The open hydraulic system to a closed hydrostatic system to improve the efficiency of skylights operations and excavation efficiency and reduce the incidence of failure to improve the operating efficiency of the cleaning machine to extend its service life and reduce the risk of railway line maintenance, At the same time, it provides the basic research for the comprehensive improvement of hydraulic chain drive system.